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Arnitel® EM400

Technical Datasheet | Supplied by DSM
Arnitel® EM400 by DSM is a high-performance, impact modified thermoplastic co-polyester (TPC) grade. It is suitable for processing by injection molding and extrusion. Possesses flexibility, strength, excellent processing characteristics, excellent mechanical properties, excellent elasticity, good resistance in heat aging tests and permeability to water vapor. Shows high temperature-, thermal-, UV-, fungus- and fatigue resistance. Offers chemical resistance against household chemicals like cleaning agents, sunscreen lotion and automotive greases and oils. Arnitel shows very low oxygen permeability combined with very high carbon dioxide permeability for usage in fruit and vegetable film packaging. Arnitel® EM400 can withstand very high burst pressures and retains its properties better at higher temperatures than PA 12. Used in agriculture, appliances, furniture, household utensils and railways. Meets ISO 18064 for TPC-ET.
Product Type
  • Polyester TPE > COPE
  • Polyester [Polyester] > > Co-polyester
Physical Form
Pellets
Product Status
COMMERCIAL
Geographical Availability
Central and Eastern Europe, Western Europe
Applications/ Recommended for
  • Agriculture
  • Appliances
  • Households products/ Consumer Goods > Kitchen utensils
  • Transportation > Railways
  • Injection molding - thermoplastics
  • Extrusion
Labels/Agency Rating
ISO 18064 TPC-ET
Key Features
  • Chemical resistance, Good
  • Elasticity, High
  • Fatigue Resistant
  • Flexibility, Good
  • Heat Aging Resistance, Good
  • Impact modified
  • Processability, Good
  • Strength, Good
  • UV Resistance, Good
  • Heat Resistance, High
  • Thermal Stability, Good
  • Fungus Resistance

Arnitel® EM400 Properties

Electrical Properties

Value & Unit
Test Condition
Test Method
Relative Permittivity
4.1
(100 Hz)
IEC 60250
Relative Permittivity
4
(1 MHz)
IEC 60250
Dielectric Strength
20 kV/mm
( )
IEC 60243-1

Arnitel® EM400 Processing Guidelines

Injection Molding Properties

Value & Unit
Test Condition
Test Method
Suggested Max Moisture
0.05 %
Center Temperature
200 - 220 °C
Processing (Melt) Temp
220 - 240 °C

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